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She also confirmed there would be no pre-negotiations with Britain before Theresa May invokes Article 50, which the Prime Minister has promised to do before March 2017.

But there are fears the remaining EU nations may find a way to pull together to prevent Britain “cherry picking” prime economic deals with individual member states once the Brexit wheels roll into motion.

EU nations fear economic offers from Britain could set countries against each other in a way that could potentially lead to the total destruction of the Union.

One senior EU official said the 27 remaining nations look set to present Mrs May’s diplomatic team with a united front.

The source said: “There's a surprising degree of consensus.

“No one wants to give the Brits an opening.”

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The EU nations are set to make Britain's Brexit negotiations difficult

What countries are in the EU?

In the wake of Brexit, we look at the 28 member states that are in the European Union.

But any hopes of complete unity could prove to be far fetched, as deep divisions opened up during the recent Bratislava summit.

Donald Tusk was forced to step in to plead for cohesion as Luxembourg’s foreign minister called for Hungary to be thrown out of the Union for reportedly treating asylum seekers “worse than wild animals”.

Hungary then shot back with a stinging criticism of Luxembourg’s tax-haven status.

Mr Tusk said: “We have to assure our citizens that we have learned the lesson from Brexit and we are able to bring back stability and a sense of security and effective protection.”